Lightning vs Rivian R1T - efficiency test comparison by OutofSpec

GDN · Jun 16, 2022

Don't see this posted yet - the Lightning does very well for its size.

Thanks @OutofSpecKyle and Jordan.

greenne · Jun 16, 2022

It was surprising to see how much bigger the Lightning is. Also, although I do realize both trucks were not on the most efficient tires.wheels.. but will the delta between the two be similar in the most efficient option?

Mr. Flibble · Jun 16, 2022

One of the interesting things I thought about was the GPS discrepancy.

I am surprised that cars don't use the GPS to calibrate the ratio of the speedometer. That is, they don't use the GPS to determine speed as it won't work everywhere, but rather, use the GPS to keep the ratio of the wheels to speed up to date. This way, when you changed tires, you would not need to install a physical speedo adjustment. Guess that adds too much cost.

gorwell · Jun 16, 2022

Mr. Flibble said:
I am surprised that cars don't use the GPS to calibrate the ratio of the speedometer. That is, they don't use the GPS to determine speed as it won't work everywhere, but rather, use the GPS to keep the ratio of the wheels to speed up to date

Rivian 100% should be able to be better. It has two insanely accurate GPS units on board because they are using the truck to map trails as well.

Probably just not a priority.

Sapphire · Jun 16, 2022

Both of those trucks are beautiful. I'm so glad there is competition too, to keep them advancing against each other.

Farmford42 · Jun 16, 2022

This is next!!!! Drive it hard @OutofSpecKyle

Ford F-150 Lightning Lightning vs Rivian R1T - efficiency test comparison by OutofSpec 1655425560039

Mr. Flibble · Jun 16, 2022

It's me said:
You can spoof GPS, then just make the speed zero and you are ‘rolling back’ the odometer! Several SDR radios, pretty cheap to boot.

Of course, using an SDR to spoof GPS would also play havoc with anyone nearby (including you) who were trying to use GPS navigation. Probably throw off any clock sync too.

LightningShow · Jun 17, 2022

As they note in the video, it’s difficult to gauge the true efficiency without instrumentation but just based on the total energy delivered from the charger it appears the Lightning is about 5% less efficient. Not too bad!
Even after seeing the Rivian and Lightning in a bunch of pictures, i was still a little surprised how much bigger the Lightning is. Ford’s drive system mist be a fair bit more efficient than Rivian.

Lightning vs Rivian R1T - efficiency test comparison by OutofSpec

GDN

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greenne

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Mr. Flibble

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gorwell

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Sapphire

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Farmford42

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Mr. Flibble

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LightningShow

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